A 'water line'. Cool, I didn't know this. I've been meaning to get my HAM license ...
On Tue, Dec 1, 2009 at 10:26 AM, Richard Chycoski <rskiad...@chycoski.com> wrote: > My wife's uncle uses the usb-WiFi-long-cable approach to good effect in some > hotels. (I got a 'WiFi consulting' call from him the other night looking for > ways to improve beyond this trick.) > > Since it sounds like a laptop in a fixed location, using only a particular > AP, this approach could work well. You might need to try several different > USB WiFi dongles before you find the 'best' one - the receivers in WiFi > cards are *not* created equal! > > You might look into some of the older cards, as some of them have external > antenna connectors on them which (AFAIK) are no longer allowed on WiFi > access cards, although people do modify them to add connectors. > > Another possibility, although more invasive, is to add connectors to the > WiFi card that is inside the laptop. It might not even be all that invasive, > as it may be possible to plug a cable into an existing socket inside the > laptop and route it out the back of the laptop. On some laptops that I've > had open, this would not have been difficult, and would have been easily > reversible if it didn't work or was no longer needed. You may need to bring > *two* cables out, however, if the laptop has a space-diverse pair of > antennas in it (common now). > > - Richard > > [ Oh - and don't do the 1 watt amp - remember that 2.45GHz is a 'water > line', and that people are mostly water! It's a particularly bad frequency > to apply the 'more is more!' principle to, unless you can guarantee that no > human or other desirable life form is going to get in front of the antenna. > Also, it isn't particularly helpful unless you can install an amplifier at > both ends of the link, since the weakest link loses. I'm a ham radio > operator - trust me, a better antenna or antenna placement will get you much > further than cranking up the power - the ham adage is: If you can't hear > 'em, you can't work em! ] > > > Joseph Kern wrote: >> >> Great to hear! I'll be doing some testing before I send it downrange. >> Since I won't be there for setup, it would be nice to send an ez >> reflector with it, just in case. >> >> On Mon, Nov 30, 2009 at 8:57 PM, Jon Meek <mee...@gmail.com> wrote: >> >>> >>> There is a pretty good chance that the supplied 7 dBi antenna will do >>> the job, but it is often fun to build antennas. That exact >>> wifi-link.com combination solved a problem that one of my friends had. >>> >>> On Mon, Nov 30, 2009 at 8:48 PM, Joseph Kern <joseph.a.k...@gmail.com> >>> wrote: >>> >>>> >>>> Wow, the response has been overwhelming, thanks for all of the info and >>>> links! >>>> >>>> It's coming down to this: >>>> >>>> http://www.wifi-link.com/product.php?action=product&class1_id=602&class2_id=604&class3_id=605&product_id=1413 >>>> >>>> With a longer USB cable (16ft) , and one of these >>>> http://freeantennas.com/ that I'll make. >>>> >>>> Thanks again for all the support! I'll let you know how it goes. >>>> >>>> --Joseph Kern >>>> _______________________________________________ >>>> Lopsanj mailing list >>>> lops...@lopsanj.org >>>> http://lopsanj.org/mailman/listinfo/lopsanj >>>> >>>> >>> >>> _______________________________________________ >>> Lopsanj mailing list >>> lops...@lopsanj.org >>> http://lopsanj.org/mailman/listinfo/lopsanj >>> >>> >> >> _______________________________________________ >> sage-members mailing list >> sage-memb...@mailman.sage.org >> http://mailman.sage.org/mailman/listinfo/sage-members >> > > _______________________________________________ Discuss mailing list Discuss@lopsa.org http://lopsa.org/cgi-bin/mailman/listinfo/discuss This list provided by the League of Professional System Administrators http://lopsa.org/
